100 NEW YORK STATE MUSEUM 



thirds the length of the shghtly swollen basal enlargement; term- 

 inal segment prolonged, rounded at base, obtuse apically. Palpi; 

 the first segment short, swollen distally, the second nearly twice 

 the length of the first, elliptical, the third a little longer, more slender 

 than the second, and the fourth a little longer than the third. 

 Mesonotum dark brown. Scutellum reddish brown, postscutellum 

 dark brown and orange, basal abdominal segment dark brown, the 

 others light brown, all sparsely clothed with whitish hairs, genitalia 

 drak brown. Wing, pi. 5, fig. 2. Costa dark brown. Halteres yellow- 

 ish transparent, somewhat fuscous apically. Legs variable brownish, 

 tarsi darker; claws rather stout, strongly curved. Genitalia; basal 

 clasp segment stout; terminal clasp segment broad at base, tapering; 

 dorsal plate broad, deeply emarginate ; ventral plate slender, deeply 

 emarginate. Harpes stout, tapering, irregularly rounded, subacute. 

 Type Cecid. 36. 



Rhabdophaga globosa Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 354 



This species was reared at Albany, N. Y., May 7, 1906 from 

 willow, Salix, twigs bearing small, rounded galls, a portion of the 

 surface showing a discolored dead area. 



Male. Length 2 mm. Antennae two-thirds the length of the 

 body, light brown; 15 segments, the fifth vrith a stem about two- 

 thirds the length of the enlargement. Palpi ; the first segment 

 short, slightly swollen distally, the second and third subequal, rather 

 slender, the fourth more slender and about one-half longer than 

 the third. Head fuscous. Mesonotum dark brown with the sub- 

 lateral lines marked by yellowish white hairs. Scutellum reddish 

 brown. Abdomen dark brown, rather sparsely clothed with yellow- 

 ish white hairs and with silvery white reflections laterally. Wrings 

 hyaline, costa dark brown. Halteres yellowish transparent basally, 

 reddish brown apically. Legs dark brown, silvery ventrally ; tarsi 

 blackish. Genitalia; basal and terminal clasp segments stout; dorsal 

 plate broad, deeply excavated ; ventral plate narrow, deeply emar- 

 ginate. Harpes thick, convolute, a bidentate quadrate tooth distally. 

 Type Cecid. a 1084a. 



Rhabdophaga gemmae Felt 

 1908 Felt, E. P. X. Y. State Mus. Bui. 124, p. 354 

 This male was reared at Albany, N. Y., from a peculiar, stunted, 

 elongate willow, Salix, tip in the middle of June 1906. 



Gall. This appears much like a thickened bud, the scales being 

 closely set beside each other, the deformit}' being approximately an 

 inch long, with a rounded, somewhat loose tip. The cocoons were 

 found lying between the imbricated bud scales. 



Male. Length i mm. Antennae longer than the body, light 



